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n2 - 10n + 21 = 0

Two numbers that sum to -10 and multiply to 21 are -3 and -7

So (n - 3)*(n - 7) = 0

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โˆ™ 2012-03-14 11:59:40
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Algebra

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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

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โˆ™ 2015-08-06 01:50:46

(n - 3)(n - 7)

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Q: How do you factor n2-10n plus 21 equals 0?
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